java -ea -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_1c_true-no-overflow_true-termination_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-38cac3e [2018-11-27 08:43:38,499 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-27 08:43:38,504 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-27 08:43:38,540 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-27 08:43:38,541 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-27 08:43:38,543 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-27 08:43:38,544 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-27 08:43:38,549 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-27 08:43:38,554 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-27 08:43:38,558 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-27 08:43:38,565 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-27 08:43:38,565 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-27 08:43:38,570 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-27 08:43:38,571 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-27 08:43:38,578 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-27 08:43:38,579 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-27 08:43:38,580 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-27 08:43:38,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-27 08:43:38,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-27 08:43:38,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-27 08:43:38,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-27 08:43:38,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-27 08:43:38,619 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-27 08:43:38,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-27 08:43:38,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-27 08:43:38,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-27 08:43:38,634 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-27 08:43:38,635 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-27 08:43:38,637 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-27 08:43:38,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-27 08:43:38,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-27 08:43:38,643 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-27 08:43:38,644 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-27 08:43:38,644 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-27 08:43:38,645 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-27 08:43:38,651 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-27 08:43:38,654 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-11-27 08:43:38,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-27 08:43:38,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-27 08:43:38,702 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-27 08:43:38,703 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-27 08:43:38,710 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-27 08:43:38,710 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-27 08:43:38,710 INFO L133 SettingsManager]: * Use SBE=true [2018-11-27 08:43:38,711 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-27 08:43:38,711 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-27 08:43:38,711 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-27 08:43:38,711 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-27 08:43:38,711 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-27 08:43:38,713 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-27 08:43:38,713 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-27 08:43:38,713 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-27 08:43:38,715 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-27 08:43:38,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-27 08:43:38,715 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-27 08:43:38,715 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-27 08:43:38,716 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-27 08:43:38,716 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-27 08:43:38,716 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-27 08:43:38,716 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-27 08:43:38,716 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-27 08:43:38,720 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-27 08:43:38,720 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-27 08:43:38,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-27 08:43:38,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-27 08:43:38,721 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-27 08:43:38,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-27 08:43:38,721 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-11-27 08:43:38,724 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-27 08:43:38,816 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-27 08:43:38,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-27 08:43:38,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-27 08:43:38,863 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-27 08:43:38,872 INFO L276 PluginConnector]: CDTParser initialized [2018-11-27 08:43:38,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-crafted/NestedRecursion_1c_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-27 08:43:38,989 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf5dbcf2/3348f2e7def34197aa73370560c3bd46/FLAG987ba9f88 [2018-11-27 08:43:39,961 INFO L307 CDTParser]: Found 1 translation units. [2018-11-27 08:43:39,962 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-crafted/NestedRecursion_1c_true-no-overflow_true-termination_true-valid-memsafety.c [2018-11-27 08:43:39,973 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf5dbcf2/3348f2e7def34197aa73370560c3bd46/FLAG987ba9f88 [2018-11-27 08:43:40,003 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ddf5dbcf2/3348f2e7def34197aa73370560c3bd46 [2018-11-27 08:43:40,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-27 08:43:40,017 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-11-27 08:43:40,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-27 08:43:40,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-27 08:43:40,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-27 08:43:40,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ab1dc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40, skipping insertion in model container [2018-11-27 08:43:40,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-27 08:43:40,112 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-27 08:43:40,542 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-27 08:43:40,558 INFO L191 MainTranslator]: Completed pre-run [2018-11-27 08:43:40,604 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-27 08:43:40,645 INFO L195 MainTranslator]: Completed translation [2018-11-27 08:43:40,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40 WrapperNode [2018-11-27 08:43:40,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-27 08:43:40,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-27 08:43:40,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-27 08:43:40,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-27 08:43:40,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:43:40" (1/1) ... [2018-11-27 08:43:40,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-27 08:43:40,745 INFO L168 Benchmark]: Toolchain (without parser) took 728.48 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-27 08:43:40,753 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-27 08:43:40,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.13 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. [2018-11-27 08:43:40,755 INFO L168 Benchmark]: Boogie Preprocessor took 88.32 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-11-27 08:43:40,763 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 621.13 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 88.32 ms. Allocated memory is still 2.0 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...